Mobile Crane Manitowoc (LBT) – CRAWLER CRANES ONLY Quiz

Mobile Crane Manitowoc (LBT) – CRAWLER CRANES ONLY Quiz

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Question 1 of 10
1. Question
What boom position produces the least amount of ground pressure on a lattice boom crawler crane
- Corner.
- Side.
- Front.
- Rear.
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Question 2 of 10
2. Question
What should the operator do if he or she cannot properly level the crane?
- Don’t operate crane.
- Reduced capacity 50%.
- Operate only on high side.
- Operate only on low side.
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Question 3 of 10
3. Question
What effect does having the crawlers retracted have on a mobile crawler crane with a long boom?
- Decrease track wear.
- Decrease in capacity.
- Increase in capacity.
- Increase track wear.
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Question 4 of 10
4. Question
A mobile crawler crane is on a barge, what item listed below is important to check?
- The 50% reduced load chart.
- The 75% reduced load chart
- Crane is positioned north.
- Crane is secured to barge.
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Question 5 of 10
5. Question
When operating a lattice boom crawler crane what is the least stable allowable quadrant of operation?
- Front.
- Rear.
- Corner.
- Side.
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Question 6 of 10
6. Question
Tipping capacities of lattice boom crawler cranes are based on what percentage of tipping?
- 75%.
- 70%.
- 85%.
- 80%.
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Question 7 of 10
7. Question
Approved blocking placed under the tips of the tracks on some mobile crawler cranes will:
- increase the crane’s stability.
- decrease the crane’s stability.
- stop crane from traveling unexpectedly.
- stop crane from sliding unexpectedly.
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Question 8 of 10
8. Question
The tipping axis over the side on most lattice boom crawler cranes is generally inline with what component?
- Pinion gear.
- Track rollers.
- Crane cab.
- Boom butt.
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Question 9 of 10
9. Question
Select the correct OSHA Standard Method Hand Signal that matches the illustration.
- Travel. (both tracks)
- Travel. (one track)
- Dog everything.
- Emergency stop.
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Question 10 of 10
10. Question
Select the correct OSHA Standard Method Hand Signal that matches the illustration.
- Emergency stop
- Travel (both tracks)
- Travel (one track)
- Raise boom.
Correct
Incorrect